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Cheap flights from Rennes to Southampton from £254

RNS — SOU
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Rennes to Southampton

Enter your travel dates to find the best prices.

Cheapest flights from Rennes to Southampton

Wed 11/1116:45 -
1 stop16h 25m
Sun 15/1109:30 -
2 stops23h 50m
Deal found 26/10£254
Fri 13/1116:45 -
1 stop17h 10m
Tue 17/1117:35 -
1 stop21h 40m
Deal found 28/10£281
Sat 12/1211:05 -
2 stops22h 50m
Sat 19/1217:20 -
2 stops16h 00m
Deal found 28/10£326
Sat 12/1211:05 -
3 stops22h 40m
Sat 19/1215:25 -
2 stops27h 15m
Deal found 28/10£379
Fri 13/1111:05 -
3 stops21h 40m
Tue 17/1120:00 -
2 stops19h 15m
Deal found 28/10£390
Wed 11/1111:05 -
3 stops22h 45m
Sun 15/1109:20 -
2 stops25h 55m
Deal found 26/10£399

Find flight deals from Rennes to Southampton

Round-trip from

£254

Popular in

August

Cheapest in

March

Average price

£138
KLM
  • KLM
  • 11/11-15/11
  • 3 total stops
  • 40h 15m total
  • Rennes to Southampton
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Highest demand for flights based on searches. 12% potential increase in price (£12 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Rennes to Southampton that are best for you.

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Route

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Cheapest return flight

RennesSouthampton

RNS Rennes St Jacques - SOU Southampton Eastleigh

RNSSOU

Rennes St Jacques

Wed 11/11

16:45-08:10

1 stop16h 25m

Southampton Eastleigh

Sun 15/11

09:30-10:20

2 stops23h 50m

£254

RennesSouthampton

RNS Rennes St Jacques - SOU Southampton Eastleigh

RNSSOU

Rennes St Jacques

Fri 13/11

16:45-08:55

1 stop17h 10m

Southampton Eastleigh

Tue 17/11

17:35-16:15

1 stop21h 40m

£281

RennesSouthampton

RNS Rennes St Jacques - SOU Southampton Eastleigh

RNSSOU

Rennes St Jacques

Fri 9/4

14:25-08:45

1 stop19h 20m

Southampton Eastleigh

Sun 11/4

17:35-10:20

2 stops15h 45m

£296

RennesSouthampton

RNS Rennes St Jacques - SOU Southampton Eastleigh

RNSSOU

Rennes St Jacques

Sat 12/12

11:05-08:55

2 stops22h 50m

Southampton Eastleigh

Sat 19/12

17:20-10:20

2 stops16h 00m

£326
Fastest return journey

RennesSouthampton

RNS Rennes St Jacques - SOU Southampton Eastleigh

RNSSOU

Rennes St Jacques

Tue 16/3

11:05-17:00

2 stops6h 55m

Southampton Eastleigh

Wed 17/3

17:30-10:20

2 stops15h 50m

£376

RennesSouthampton

RNS Rennes St Jacques - SOU Southampton Eastleigh

RNSSOU

Rennes St Jacques

Fri 13/11

11:05-07:45

3 stops21h 40m

Southampton Eastleigh

Tue 17/11

20:00-16:15

2 stops19h 15m

£390

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Sorted by cheapest first

Best time to book a flight from Rennes to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Rennes with our price prediction graph.
Estimated return price

Related info for your journey

  • How long is the flight from Rennes to Southampton?

    For as low as £254, KLM can have you in Southampton from Rennes in 16h 25m. Rennes and Southampton are separated by a distance of 200 mi.

  • Can I find deals for flights from Rennes to Southampton that include hotel bookings?

    Yes. In addition to deals on Rennes to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Rennes to Southampton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rennes to Southampton.

  • Can I find deals for business class flights from Rennes to Southampton?

    Yes. Cheapflights offers flight deals from Rennes to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Certainly. Search results for flights to Southampton from Rennes shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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